#include <stdio.h>
#include <stdlib.h>

extern char **environ;

int main(int argc, char *argv[]) {
    int i;
    for (i = 0; environ[i] != NULL; i++) {
        printf("%s\n", environ[i]);
    }
    printf("==================================\n");
    printf("HOME: %s\n", getenv("HOME"));
    return EXIT_SUCCESS;
}
